Motor Units That Include Type IIb Fibers

question 94

Multiple Choice

 Motor units that include Type IIb fibers

• A) usually include Type IIa fibers as well.
• B) produce about 100 times the force as units that include Type I fibers.
• C) produce about one-third of the force produced by units that include Type IIa fibers.
• D) are rarely found in humans.

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Definitions:

Water Potential

A measure of the potential energy in water, driving the movement of water through plant tissues and determining the direction of its flow.

Cohesion

The action or property of like molecules sticking together, being mutually attractive, which is observed in various physical phenomena such as water droplets forming on a surface.

Water Molecules

The smallest unit of water, consisting of two hydrogen atoms bonded to one oxygen atom, essential for life's processes.

Vascular Bundles

Structures in plants that contain xylem and phloem tissues, responsible for the transport of water, nutrients, and sugars.